Error Codes/Warnings - RadonTec AlphaAir Freshbox 100 WiFi Manual

10

Error codes/warnings

Code Description
2
Alarm! The outdoor air temperature sensor was not found.
3
Alarm! Short circuit of the outdoor air temperature sensor
4
Alarm! The supply air temperature sensor was not found.
5
Alarm! Short circuit of the supply air temperature sensor
6
Alarm! The exhaust air temperature sensor in front of the heat
exchanger was not found.
7
Alarm! Short circuit of the extract air temperature sensor in front
of the heat exchanger.
8
Alarm! The exhaust air temperature sensor after the heat
exchanger was not found.
9
Alarm! Short-circuit of the exhaust air temperature sensor after
the heat exchanger.
10
Alarm! Actuation of the protective thermostat of the preheating
coil.
11
Alarm! Actuation of the protection thermostat of the main heating
coil
23
Warning! The battery is empty. The time-controlled operation will
not work correctly.
25
Alarm! Fire alarm activation
40
Warning! The filter change timer has expired. Change the filter.
50
Alarm! No connection to the control panel and the control unit
51
Alarm! No additional supply air temperature sensor before the
reheating coil.
52
Alarm! Short circuit of the additional supply air temperature
sensor in front of the main heating coil.
Manual – AlphaAir Freshbox 100 WiFi 53